Dynamic particle packing in freezing colloidal suspensions

Jiaxue You; Jincheng Wang; Lilin Wang; Ziren Wang; Zhijun Wang; Junjie Li; Xin Lin

doi:10.1016/j.colsurfa.2017.07.073

Dynamic particle packing in freezing colloidal suspensions

Jiaxue You, Jincheng Wang, Lilin Wang, Ziren Wang, Zhijun Wang, Junjie Li, Xin Lin

材料学院

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17 引用（Scopus）

摘要

In the field of freezing colloidal suspensions, it is important to understand the particle-scale behavior of particle packing. Here, we reveal the dynamics of particle packing by identifying the behavior of each single particle in situ. The typical pattern consists of locally ordered clusters and amorphous defects. The microscopic mechanism of pattern formation is ascribed to the non-equilibrium particle-packing process on the particle scale, described with the dimensionless Péclet number. The macroscopic migration of a particle layer is also revealed by an analytical model involving parameters of freezing speed and initial volume fraction of particles.

源语言	英语
页（从-至）	93-98
页数	6
期刊	Colloids and Surfaces A: Physicochemical and Engineering Aspects
卷	531
DOI	https://doi.org/10.1016/j.colsurfa.2017.07.073
出版状态	已出版 - 20 10月 2017

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title = "Dynamic particle packing in freezing colloidal suspensions",

abstract = "In the field of freezing colloidal suspensions, it is important to understand the particle-scale behavior of particle packing. Here, we reveal the dynamics of particle packing by identifying the behavior of each single particle in situ. The typical pattern consists of locally ordered clusters and amorphous defects. The microscopic mechanism of pattern formation is ascribed to the non-equilibrium particle-packing process on the particle scale, described with the dimensionless P{\'e}clet number. The macroscopic migration of a particle layer is also revealed by an analytical model involving parameters of freezing speed and initial volume fraction of particles.",

keywords = "Colloidal suspensions, Freezing, In-situ revealing, Particle self-assembly",

author = "Jiaxue You and Jincheng Wang and Lilin Wang and Ziren Wang and Zhijun Wang and Junjie Li and Xin Lin",

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T1 - Dynamic particle packing in freezing colloidal suspensions

AU - You, Jiaxue

AU - Wang, Jincheng

AU - Wang, Lilin

AU - Wang, Ziren

AU - Wang, Zhijun

AU - Li, Junjie

AU - Lin, Xin

PY - 2017/10/20

Y1 - 2017/10/20

N2 - In the field of freezing colloidal suspensions, it is important to understand the particle-scale behavior of particle packing. Here, we reveal the dynamics of particle packing by identifying the behavior of each single particle in situ. The typical pattern consists of locally ordered clusters and amorphous defects. The microscopic mechanism of pattern formation is ascribed to the non-equilibrium particle-packing process on the particle scale, described with the dimensionless Péclet number. The macroscopic migration of a particle layer is also revealed by an analytical model involving parameters of freezing speed and initial volume fraction of particles.

AB - In the field of freezing colloidal suspensions, it is important to understand the particle-scale behavior of particle packing. Here, we reveal the dynamics of particle packing by identifying the behavior of each single particle in situ. The typical pattern consists of locally ordered clusters and amorphous defects. The microscopic mechanism of pattern formation is ascribed to the non-equilibrium particle-packing process on the particle scale, described with the dimensionless Péclet number. The macroscopic migration of a particle layer is also revealed by an analytical model involving parameters of freezing speed and initial volume fraction of particles.

KW - Colloidal suspensions

KW - Freezing

KW - In-situ revealing

KW - Particle self-assembly

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SN - 0927-7757

VL - 531

SP - 93

EP - 98

JO - Colloids and Surfaces A: Physicochemical and Engineering Aspects

JF - Colloids and Surfaces A: Physicochemical and Engineering Aspects

ER -

Dynamic particle packing in freezing colloidal suspensions

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